• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 1995.04a
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• pp.208-212
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• 1995

공기 압축기는 건설 및 토목공사 현장 등의 산업현장을 비롯하여 각종 공장에서 광범위하게 사용되고 있다. 공기 압축기에 공급하는 동력은 전기를 사용한 모터와 연료를 사용한 엔진으로 구분할 수 있으며 전기가 공급되지 않는 사용현장에서는 엔진 구동형 공기 압축기가 선택될 수 밖에 없다. 엔진 구동형 공기 압축기는 발생소음도가 모터 구동형보다 훨씬 높음으로 인하여 주변환경에의 소음으로 인한 피해를 줄이기 위하여 방음형의 개발이 절실하게 요구되고 있다. 따라서 본 연구는 기존의 비방음형 공기 압축기에 대하여 방음형을 개발하여 시제품을 제작하고 평가하는데 그 목적이 있다.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2010.04a
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• pp.455-458
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• 2010

동화(燈火)를 사용한 항로표지 중에서 암초나 얕은 곳의 위치를 표시하는데 설치되는 등표의 설계시 해상에 설치되는 현장여건상 전문설계용역사에 의존하여 설계용역을 실시하고 있는 실정이다. 설계파고가 작고 암초의 형상이 넓은 노 간출암인 경우에는 기존 설계 완료된 등표를 적용하여 시공하였을 경우 많은 국가예산이 절감될 것으로 판단된다. 등표설계에 가장 영향을 주는 설계파고는 전국 연안의 설계파고도 작성용역을 실시하여 배부하고 설계파고에 따른 구조물 형상을 절정하기 위하여 표준형 등표 안정성 계산 프로그램을 개발하여 현장여건에 맞는 표준형 등표를 제안함으로서 현장여건이 양호 한 곳은 표준형 등표에서 제안하고 있은 표준형 등표를 적용함으로서 현장별 투입되는 설계용역 예산을 절감하고 설계용역 미 시행에 따른 사업기간을 단축할 수 있는 효과가 기대된다.

• 한국신재생에너지학회:학술대회논문집
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• 2010.11a
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• pp.122.1-122.1
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• 2010

수평형 지중열교환기의 지중온도 및 지중열전도도를 분석하기 위해서 경기테크노파크 화단에 수평형 지중열교환기를 설치하였다. 수평형 지중열교환기는 수평 길이 50m, 폭 2.7m, 깊이 2m에 파이프 규격 30mm, 파이프 길이 400m 1본을 매설하였다. 2009년 7월부터 2010년 5월까지 총 7회에 걸쳐 현장열응답방식을 이용하여 지중열전도도를 측정하였다. 측정결과를 분석해보면 수평형 지중열교환기의 지중온도는 계절적인 영향을 많이 받았으며, 지중열전도도는 계절적인 요인과는 무관하게 $1.51{\pm}0.1W/mk$ 범위에서 잘 일치함을 보였다. 이러한 결과로서 수평형 지중열교환기의 현장열응답시험은 현장설치 조건을 모두 반영한 결과를 도출할 수 있을 것으로 판단된다.

• The Journal of Korean Institute for Practical Engineering Education
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• v.4 no.1
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• pp.99-107
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• 2012

The purpose of this study was to develop a Industrial Professional Practice(IPP) at university education as a way of innovation strategy in order to effectively respond industrial needs in dynamic environment. A Industrial Professional Practice model was developed by using a structured on the job training model and had a 7 steps which were "planning Industrial Professional Practice, selecting enterprises and students, matching enterprises and students, job analysis, design and development program, implementation, evaluation and feedback. Based on the Industrial Professional Practice model, the directions for the future studies was discussed.

• Journal of the Korean Geotechnical Society
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• v.16 no.1
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• pp.211-220
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• 2000

An experimental study that included detailed observation of four 305-mm-diameter drilled shafts, one reference shaft of standard design and three test shafts with isolation tubes to mitigate skin friction in the vadose zone of a clay soil profile, is described. The shafts were loaded only by naturally expanding and contraction soil over a period of 17 months. The soil at the test site was instrumented to track suction and elevation changes. Maximum ground surface movements exceeding 40 mm were observed. Heave movements of less than 1.5 mm were observed in the test shafts with isolation tubes, while movements of 5 mm were observed in the reference shaft. Unit side shear loads in the shafts protected by the isolation tubes were minimal compared to those measured in the reference shaft. This indicates that the isolation tubes were very effective.

• Journal of the Korea Institute of Building Construction
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• v.23 no.6
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• pp.821-830
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• 2023

This research aims to identify risk factors for fall accidents at small and medium-sized construction sites through a comprehensive regression analysis. Initially, the study involved collecting a decade's worth of fall accident data from these sites. A t-test confirmed a significant variation in the treatment duration following fall accidents between two distinct groups: small and medium-sized versus large construction sites. Subsequently, a regression analysis was conducted to establish a model highlighting the risk factors associated with safety accidents. The factors influencing fall accidents were determined to be, in descending order of impact, the time of the accident, the day of the accident, and the occupational classification. The findings from this study are expected to serve as foundational data for enhancing policies and conducting statistical analyses tailored to construction site sizes. They also provide crucial information for future research on risk quantification at small and medium-sized construction sites.

• Journal of Practical Engineering Education
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• v.12 no.1
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• pp.93-100
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• 2020

To qualitative improvement in addition to the quantitative growth of field placement, efforts to reduce short-term (4 weeks) and mid-term professional practice (8 weeks) and to increase the proportion of long-term term professional practice (12 weeks or more) are increasing at university sites. There are the problems: the absence of systematic and specialized field placement curriculum of the short-term and mid-term professional practice, the participation of university field placement increases, companies do not prefer to participate in its program and students hesitate to apply to long-term practice due to their major. In order to solve these problems, this paper proposes the IPBP(Industry Problem Based professional Practice) based on Gyeongbuk K University which the students solve the company's difficulties during the field placement with their professor if need. In order to build a win-win field practice culture with participating companies, we suggest that the IPBP solution field practice presented in this paper is one of the good models.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2004.11a
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• pp.480-485
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• 2004

The main purpose of this study is to present the scheme to reinforce the leadership of field supervisors in order to effectively prevent construction accidents. To this end, first, the researcher reviewed the meanings, functions, types and characteristics o( the leadership of field supervisors in safety management activities on construction sites through the literature review. Second, he investigated the types of supervisors' leadership and the level of field safety management activities through qestionnaires. Third, he categorized the types of supervisors' leadership by that level. Fourth, lie suggested the leadership type of field supervisors to effectively prevent construction accidents, and then he developed the plans to reinforce their leadership.

• Proceedings of the Korean Society of Computer Information Conference
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• 2023.01a
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• pp.69-70
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• 2023

본 논문은 디지털시대의 변화와 코로나 19로 인해 차세대 디지철 시대는 새로운 교육 환경으로 진화하고 변화하는 교육 페러다임이 바뀌고 있다. 최근 지속적으로 성장하고 인기 있는 AR, VR 현장 실감형 콘텐츠를 교육에 활용 할 때 더욱 학습 효과가 있다는 다양한 이론과 사례분석을 통해 교육과정, 비 교육과정에 직접 접목하여 활용하고 그 효과를 통한 모형을 제시하여 수업의 질적 양적 향상에 기여하고자 한다.

• The Journal of the Korea Contents Association
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• v.15 no.12
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• pp.504-516
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• 2015

The purpose of this study is to find out subjective perception types and needs of interested group on the Field Placement on Demand of Gwangyang Bay Area Industry by Q methodology, then to search for political measures to improve Field Placement in the implication of the sorted subjective perception types. The result of the study showed that there are three major sorts of subjectivities on the Field Placement Activation Plan on Demand of Gwangyang Bay Area Industry: emphasizes indusrty-college cooperation(Type1), emphasizes industry demand analysis(Type2), emphasizes field-centered education(Type3). And a new study showed that results can improve Field Placement on Demand of Gwangyang Bay Area Industry: positive industry-college partnership building, manpower training total support system building by manpower demand analysis and the situation of local industry, building the infrastructure for the training on demand of local industry on-the-job, trasition into field-centered education system by national competency standards(NCS).